[MERGE #5023 @MikeHolman] don't update write barrier card table for w…

…asm stores Merge pull request #5023 from MikeHolman:wasmswbfix Fixes #5015
chakra-core · Apr 21, 2018 · cbe8dba · cbe8dba
2 parents 9f8c2a1 + b6b2426
commit cbe8dba
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/Backend/Lower.cpp b/lib/Backend/Lower.cpp
@@ -9205,7 +9205,8 @@ Lowerer::LowerStArrViewElem(IR::Instr * instr)
             instr->FreeSrc2();
         }
     }
-    InsertMove(dst, src1, done);
+    // wasm memory buffer is not recycler allocated, so we shouldn't generate write barrier 
+    InsertMove(dst, src1, done, false);
 
     instr->Remove();
     return instrPrev;